Le K.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

Platform Architect with 14+ years building large-scale cloud systems, now specializing at the intersection of AI and cloud infrastructure. Most recently: Architected multi-agent conversational AI systems (LangGraph + AWS Bedrock) processing $2B+ in AWS spend — a leading FinOps SaaS platform. Also built Zara, an AI Business Intelligence agent deployed in production for a Southeast Asia CDP company, enabling natural language querying of real business databases. What I build: - Multi-agent AI systems (LangGraph, LangChain, OpenAI, AWS Bedrock) - Real-time streaming AI with FastAPI + Server-Sent Events - Cloud cost management and FinOps platforms at enterprise scale - Kubernetes/EKS platform engineering with Karpenter - ETL pipelines processing terabytes of AWS billing data daily - Provider-agnostic LLM architectures extensible across OpenAI, Anthropic, and others Proof of scale: - $2B+ AWS spend analyzed on platform I architected - 20M+ daily users served on systems I built - 40M+ ad requests/day handled at FPT Corporation - SOC 2 compliance achieved on cloud platform I take on selective engagements where my specific expertise creates real impact — AI agent systems, cloud platform architecture, and FinOps infrastructure.